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CVE-2020-28439

28
FAUCET Score

CVE-2020-28439 is a critical OS Command Injection vulnerability (CWE-78) affecting all versions of the corenlp-js-prefab package, stemming from a dependency on the vulnerable corenlp-js-interface package. With a CVSS score of 9.8, this vulnerability allows unauthenticated attackers to execute arbitrary commands remotely with low attack complexity, leading to complete compromise of confidentiality, integrity, and availability. While no public exploits (Metasploit, Nuclei, ExploitDB) are currently available and there's minimal community discussion or media coverage, the high severity warrants immediate attention. It is not listed in CISA's Known Exploited Vulnerabilities catalog.

Impacted Technologies

VendorProductVersion(s)CPE
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:a:corenlp-js-prefab_project:corenlp-js-prefab:*:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.57%
Probability of exploitation in next 30 days
EPSS Percentile
72.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0157 is in the 60th percentile among its peer group of 36,862 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

npmGHSA-h73g-8g27-xxcxcritical

Command injection in corenlp-js-prefab

Apr 13, 2021

References

snyk.io / vuln/SNYK-JS-CORENLPJSPREFAB-1050434
Third Party Advisory